Handbook of Public Economics, Volume 4 2002 HKS Authors See citation below for complete author information. Jeffrey Liebman Director of the Taubman Center for State and Local Government Malcolm Wiener Professor of Public Policy Citation Feldstein, Martin, and Jeffrey Liebman. “Social Security.” Handbook of Public Economics, Volume 4. Ed. Alan J. Auerbach and Martin Feldstein. Elsevier, 2002.